This study aims to describe the professional competence of science teachers based on the experience of teaching Integrated Science in junior high schools in Sarudu. This research is a qualitative descriptive research. The respondents of this study were 6 teachers selected using purposive sampling techniques based on the teacher's teaching experience in Integrated Science learning, with details, namely 2 low experienced people, 2 moderate experienced people and 2 high experienced people. Based on the results of research on science teachers the average percentage according to teaching experience, namely teachers with low teaching experience (<6 years) obtained an average percentage of 79.13% with a high category, teachers with moderate teaching experience (6-10 years) obtained an average percentage of 84.12% with a very high category, and teachers with high teaching experience (>10 years) obtained an average percentage of 84.80% with a very high category.
                        
                        
                        
                        
                            
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